Morbid Concretions in Animals. 181 



Honey dew. Bos melleus. Found upon the upper side of 

 leaves of trees in hot weatlier : dropped from the abdominal pro- 

 cesses of the aphides, or plant lice, on the under side of the leaves 

 over them ; melts and evaporates by the heat of the sun. 



LouRisTAN MANNA, Guz. A honey dew deposited upon 

 leaves of trees in Persia and Armenia by the chermes mannifera, 

 from its feathery abdominal processes : very white, resembling 

 snow. 



Edible birds' nests. Nidi esculenti. The nest of a species 

 of swallows inhabiting the Indian Archipelago; these nests are 

 formed of a mucous slime secreted in the stomachs of these birds, 

 and flung up for that purpose : they are added to soup to render 

 it thicker ; the feathers sticking to them are separated by straining. 



Cow dung, Fimiis vacccB. Used as a cataplasm in erysipela- 

 tous swellings, mixed with some unctuous matter to prevent its 

 growing hard, and in the gout ; also used very largely in calico 

 printing as a cheap mucilage. 



Sheep's dung. Used in dyeing, for the purpose of preparing 

 cotton and linen to receive certain colours, particularly the red of 

 madder and crosswort. — Poudrette. Human excrements, dried to 

 a powder and sold in sacks, for manure. 



MORBID CONCRETIONS IN ANIMALS. 



Borneo bezoar, Monkey hezoar. From the stomach of an 

 unknown species of monkey, obtained by giving an emetic ; bright 

 green, with a fine lustre : in the highest esteem as a cordial. 



Persian bezoar, Oriental hezoar. Lapis hezoar Orientalis, 

 From the stomach of the capra gazclla; dark green, or olive; 

 smooth, marking a green line upon paper; sp. grav. ^'233. 

 From Persia. 



Common Oriental bezoar. Snake stone. From the stomach 

 of the Capra aegragus; applied to places bitten by snakes. — 

 Occidental hezoar. Lapis hezoar Occidentalis. From the anteloj)e 

 oryx; surface rough; grey, brittle, spongy; specific gravity 

 l*o66 ; used instead of the Oriental for cheapness' sake. — Hoy 

 hezoar. From the stomach of the wild hog. 



Piedra del porco, Lapis Malacceiisis, L. hystrictis, L, por- 

 riwL% Bez. hystricum. From the gall bladder of the porcupine ; 

 yellowish green, smooth, bitter. 



Camel bezoar, Wootay korashannm. From the gall bladdci- ; 

 used as a yellow pigment. — Buffalo hezoar. From the gall bhid- 

 der. — Ox hezoar, Indian yellow ^ From the gall bladder of bos 

 zebu ; brought from Ncpaul ; used as pigments. 



